Iron, uranium and rare earths lie underground, but opinions differ over how to extract them.
The parties differ over the future of Mr Musharraf, who has been replaced by a caretaker president, the speaker of the Senate.
Though researchers differ over all the reasons why gun violence has declined, many attribute it to the aging of the baby boomers.
Spaniards differ over the slap-up wedding hosted last week by their prime minister, Jose Maria Aznar, but the event certainly set tongues wagging.
Moreover, the benefits of disclosures are likely to differ over time.
Where Mr Speight and the soldiers differ is over who should now rule the country.
It is unacceptable that two federal surveys differ by over 7 million in their adult smoking counts.
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Lula says that Mr Palocci and Ms Rousseff differ only over timing.
Second, some of the places along the chromosome at which crossing over happens most frequently differ between the sexes.
Generational expectations often differ because ideas about boundaries change over time.
That boom is now an established, recorded, factual result, and, therefore, is not an issue over which reasonable people can differ.
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But it is not an opinion over which reasonable people can differ.
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This is another opinion over which reasonable people cannot differ.
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Due to the compounding of daily returns, returns over periods other than one day will likely differ in amount and possibly direction from the target return for the same period.
Insect eyes differ fundamentally from animal eyes: the fly focuses light over a large radius through hundreds of separate facets, while animals focus it over a smaller radius through a single lens.
While experts may differ about how to define adequate levels of performance, widespread agreement has emerged over the need to think about pupil performance in terms of a "range" of knowledge and skills.
The banks themselves will of course beg to differ, and perhaps will as earnings reports for U.S. banks roll out over the next few weeks.
Negotiations have been bogged down over enforcement issues, and whether the choices that Web surfers are given should differ depending on when their data is collected.
Research over many decades has shown that the outcomes for those studying at a distance do not differ from those in a classroom.
Accounts as to exactly what happened on 26 August differ, the court heard, but the jury was told there was a "possible argument" over drink and Mr York had wanted Mr Clary out of the house.
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Over the past several years, various studies have yielded conflicting results as to whether viral loads differ between HIV-positive men and women.
Experts differ on whether the election will be a landslide or photo finish, but most agree Karzai has the advantage over Abdullah, a 48-year-old doctor who served as Karzai's foreign minister until 2006.
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